CVE-2022-49969

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> drm/amd/display: clear optc underflow before turn off odm clock<br /> <br /> [Why]<br /> After ODM clock off, optc underflow bit will be kept there always and clear not work.<br /> We need to clear that before clock off.<br /> <br /> [How]<br /> Clear that if have when clock off.